/****************************************************************************** * * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ /*! ****************************************************************************** * \file ihevce_enc_subpel_gen.c * * \brief * This file contains Padding and Subpel plane generation functions * at CTB level * * \date * 29/12/2012 * * \author * Ittiam * * * List of Functions * - ihevce_suppel_padding() * - ihevce_pad_interp_recon_ctb() * * ****************************************************************************** */ /*****************************************************************************/ /* File Includes */ /*****************************************************************************/ /* System include files */ #include #include #include #include #include #include /* User include files */ #include "ihevc_typedefs.h" #include "itt_video_api.h" #include "ihevce_api.h" #include "rc_cntrl_param.h" #include "rc_frame_info_collector.h" #include "rc_look_ahead_params.h" #include "ihevc_defs.h" #include "ihevc_debug.h" #include "ihevc_macros.h" #include "ihevc_structs.h" #include "ihevc_platform_macros.h" #include "ihevc_deblk.h" #include "ihevc_itrans_recon.h" #include "ihevc_chroma_itrans_recon.h" #include "ihevc_chroma_intra_pred.h" #include "ihevc_intra_pred.h" #include "ihevc_inter_pred.h" #include "ihevc_mem_fns.h" #include "ihevc_padding.h" #include "ihevc_weighted_pred.h" #include "ihevc_sao.h" #include "ihevc_resi_trans.h" #include "ihevc_quant_iquant_ssd.h" #include "ihevc_cabac_tables.h" #include "ihevc_trans_tables.h" #include "ihevc_trans_macros.h" #include "ihevce_defs.h" #include "ihevce_lap_enc_structs.h" #include "ihevce_multi_thrd_structs.h" #include "ihevce_multi_thrd_funcs.h" #include "ihevce_me_common_defs.h" #include "ihevce_had_satd.h" #include "ihevce_error_codes.h" #include "ihevce_bitstream.h" #include "ihevce_cabac.h" #include "ihevce_rdoq_macros.h" #include "ihevce_function_selector.h" #include "ihevce_enc_structs.h" #include "ihevce_global_tables.h" #include "ihevce_cmn_utils_instr_set_router.h" #include "ihevce_entropy_structs.h" #include "ihevce_enc_loop_structs.h" #include "ihevce_enc_loop_utils.h" #include "ihevce_inter_pred.h" #include "ihevce_common_utils.h" /*! ****************************************************************************** * \if Function name : ihevce_suppel_padding \endif * * \brief * Subpel Plane planes Padding Function * * \param[in] pu1_dst : pointer to subpel plane * stride : subpel plane stride same as recon stride * tot_wd : width of the block in subpel plane * tot_ht : hieght of the block in subpel plane * ctb_ctr : ctb horizontal position * vert_ctr : ctb vertical position * ps_frm_ctb_prms : CTB characteristics parameters * \return * None * * * \author * Ittiam * ***************************************************************************** */ void ihevce_subpel_padding( UWORD8 *pu1_dst, WORD32 stride, WORD32 tot_wd, WORD32 tot_ht, WORD32 pad_subpel_x, WORD32 pad_subpel_y, WORD32 ctb_ctr, WORD32 vert_ctr, WORD32 i4_num_ctbs_horz, WORD32 i4_num_ctbs_vert, func_selector_t *ps_func_selector) { ihevc_pad_top_ft *pf_pad_top = ps_func_selector->ihevc_pad_top_fptr; ihevc_pad_bottom_ft *pf_pad_bottom = ps_func_selector->ihevc_pad_bottom_fptr; ihevc_pad_left_luma_ft *pf_pad_left_luma = ps_func_selector->ihevc_pad_left_luma_fptr; ihevc_pad_right_luma_ft *pf_pad_right_luma = ps_func_selector->ihevc_pad_right_luma_fptr; UWORD8 *pu1_dst_tmp = pu1_dst; WORD32 cpy_ht = tot_ht; /* Top padding*/ if(vert_ctr == 0) { PAD_BUF_VER(pu1_dst, stride, tot_wd, pad_subpel_x, pad_subpel_y, pf_pad_top); /*if curr ctb is 1st ctb in ctb row, update dst pointer for Left padding*/ pu1_dst_tmp = pu1_dst - pad_subpel_y * stride; cpy_ht += pad_subpel_y; } /*bottom padding*/ if(vert_ctr == (i4_num_ctbs_vert - 1)) { PAD_BUF_VER( (pu1_dst + (tot_ht * stride)), stride, tot_wd, pad_subpel_x, pad_subpel_y, pf_pad_bottom); /*if curr ctb is 1st ctb in ctb row, update dst pointer for right padding*/ cpy_ht += pad_subpel_y; } /*left padding*/ if(ctb_ctr == 0) { PAD_BUF_HOR(pu1_dst_tmp, stride, cpy_ht, pad_subpel_x, pad_subpel_y, pf_pad_left_luma); } /*right padding*/ if(ctb_ctr == (i4_num_ctbs_horz - 1)) { PAD_BUF_HOR( pu1_dst_tmp + tot_wd, stride, cpy_ht, pad_subpel_x, pad_subpel_y, pf_pad_right_luma); } } /*! ****************************************************************************** * \if Function name : ihevce_pad_interp_recon_ctb \endif * * \brief * Ctb level Subpel Plane generation and padding function * * \param[in] * s_cu_prms : coding unit params structures (recon buffers) * ctb_ctr : ctb horizontal position * vert_ctr : ctb vertical position * ps_frm_ctb_prms : CTB characteristics parameters * i4_dist_nbr_mask : nbr-mask for distributed mode. Should be 0 for standalone * or distributed-single-client mode * * \return * None * * \author * Ittiam * ***************************************************************************** */ void ihevce_pad_interp_recon_ctb( pad_interp_recon_frm_t *ps_pad_interp_recon, WORD32 ctb_ctr, WORD32 vert_ctr, WORD32 quality_preset, frm_ctb_ctxt_t *ps_frm_ctb_prms, WORD16 *pi2_hxhy_interm, WORD32 i4_bitrate_instance_id, func_selector_t *ps_func_selector) { UWORD8 *pu1_src, *pu1_src_uv; WORD32 stride, stride_uv, wd, ht, wd_uv, ht_uv, pad_x, pad_y, pad_subpel_x, pad_subpel_y; WORD32 tot_wd, tot_ht, offset, cpy_ht_y, cpy_ht_uv; WORD32 i4_chroma_vert_pad_default; WORD32 ctb_size = ps_frm_ctb_prms->i4_ctb_size; UWORD8 *pu1_dst_hxfy = ps_pad_interp_recon->pu1_sbpel_hxfy + (vert_ctr * ctb_size * ps_pad_interp_recon->i4_luma_recon_stride) + (ctb_ctr * ctb_size); UWORD8 *pu1_dst_fxhy = ps_pad_interp_recon->pu1_sbpel_fxhy + (vert_ctr * ctb_size * ps_pad_interp_recon->i4_luma_recon_stride) + (ctb_ctr * ctb_size); UWORD8 *pu1_dst_hxhy = ps_pad_interp_recon->pu1_sbpel_hxhy + (vert_ctr * ctb_size * ps_pad_interp_recon->i4_luma_recon_stride) + (ctb_ctr * ctb_size); UWORD8 u1_is_422 = (ps_pad_interp_recon->u1_chroma_array_type == 2); ihevc_inter_pred_ft *pf_inter_pred_luma_horz = ps_func_selector->ihevc_inter_pred_luma_horz_fptr; ihevc_inter_pred_ft *pf_inter_pred_luma_vert = ps_func_selector->ihevc_inter_pred_luma_vert_fptr; ihevc_inter_pred_w16out_ft *pf_inter_pred_luma_horz_w16out = ps_func_selector->ihevc_inter_pred_luma_horz_w16out_fptr; ihevc_inter_pred_w16inp_ft *pf_inter_pred_luma_vert_w16inp = ps_func_selector->ihevc_inter_pred_luma_vert_w16inp_fptr; stride = ps_pad_interp_recon->i4_luma_recon_stride; wd = ps_pad_interp_recon->i4_ctb_size; ht = ps_pad_interp_recon->i4_ctb_size; pu1_src = (UWORD8 *)ps_pad_interp_recon->pu1_luma_recon + (vert_ctr * ctb_size * stride) + (ctb_ctr * ctb_size); stride_uv = ps_pad_interp_recon->i4_chrm_recon_stride; wd_uv = ps_pad_interp_recon->i4_ctb_size; ht_uv = ps_pad_interp_recon->i4_ctb_size >> (0 == u1_is_422); pu1_src_uv = (UWORD8 *)ps_pad_interp_recon->pu1_chrm_recon + (vert_ctr * (ctb_size >> (0 == u1_is_422)) * stride_uv) + (ctb_ctr * ctb_size); pad_x = ALIGN8(NTAPS_LUMA); pad_y = ALIGN8(NTAPS_LUMA); pad_subpel_x = PAD_HORZ - pad_x; pad_subpel_y = PAD_VERT - pad_y; offset = pad_x + (pad_y * stride); tot_wd = wd + (pad_x << 1); tot_ht = ht + (pad_y << 1); i4_chroma_vert_pad_default = PAD_VERT >> (0 == u1_is_422); if(ctb_ctr == (ps_frm_ctb_prms->i4_num_ctbs_horz - 1)) { WORD32 last_ctb_x = ps_frm_ctb_prms->i4_cu_aligned_pic_wd - ((ps_frm_ctb_prms->i4_num_ctbs_horz - 1) * ps_pad_interp_recon->i4_ctb_size); wd = last_ctb_x; wd_uv = last_ctb_x; } if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { WORD32 last_ctb_y = ps_frm_ctb_prms->i4_cu_aligned_pic_ht - ((ps_frm_ctb_prms->i4_num_ctbs_vert - 1) * ps_pad_interp_recon->i4_ctb_size); ht = last_ctb_y; ht_uv = last_ctb_y >> (0 == u1_is_422); } tot_ht = ht; tot_wd = wd; /*top padding*/ if(vert_ctr == 0) { tot_ht = pad_y + ht - 8; } /*bottom padding*/ if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { tot_ht = pad_y + ht + 8; } /*Left padding*/ if(ctb_ctr == 0) { tot_wd = pad_x + wd - 8; } /*right padding*/ if(ctb_ctr == (ps_frm_ctb_prms->i4_num_ctbs_horz - 1)) { tot_wd = pad_x + wd + 8; } pu1_src -= offset; pu1_dst_hxhy -= offset; pu1_dst_hxfy -= offset; pu1_dst_fxhy -= offset; { tot_wd = ALIGN16(tot_wd); if(0 == i4_bitrate_instance_id) //do the following subpel calculations for reference bit-rate instance only { /* HxFY plane */ pf_inter_pred_luma_horz( pu1_src, pu1_dst_hxfy, stride, stride, (WORD8 *)gai1_hevc_luma_filter_taps[2], tot_ht, tot_wd); pf_inter_pred_luma_vert( pu1_src, pu1_dst_fxhy, stride, stride, (WORD8 *)gai1_hevc_luma_filter_taps[2], tot_ht, tot_wd); pf_inter_pred_luma_horz_w16out( pu1_src - 3 * stride, pi2_hxhy_interm, stride, tot_wd, (WORD8 *)gai1_hevc_luma_filter_taps[2], (tot_ht + 7), tot_wd); /* "Stride" of intermediate buffer in pixels,equals tot_wd */ pf_inter_pred_luma_vert_w16inp( pi2_hxhy_interm + (3 * tot_wd), pu1_dst_hxhy, tot_wd, stride, (WORD8 *)gai1_hevc_luma_filter_taps[2], tot_ht, tot_wd); ihevce_subpel_padding( pu1_dst_fxhy, stride, tot_wd, tot_ht, pad_subpel_x, pad_subpel_y, ctb_ctr, vert_ctr, ps_frm_ctb_prms->i4_num_ctbs_horz, ps_frm_ctb_prms->i4_num_ctbs_vert, ps_func_selector); ihevce_subpel_padding( pu1_dst_hxfy, stride, tot_wd, tot_ht, pad_subpel_x, pad_subpel_y, ctb_ctr, vert_ctr, ps_frm_ctb_prms->i4_num_ctbs_horz, ps_frm_ctb_prms->i4_num_ctbs_vert, ps_func_selector); ihevce_subpel_padding( pu1_dst_hxhy, stride, tot_wd, tot_ht, pad_subpel_x, pad_subpel_y, ctb_ctr, vert_ctr, ps_frm_ctb_prms->i4_num_ctbs_horz, ps_frm_ctb_prms->i4_num_ctbs_vert, ps_func_selector); } } } void ihevce_recon_padding( pad_interp_recon_frm_t *ps_pad_interp_recon, WORD32 ctb_ctr, WORD32 vert_ctr, frm_ctb_ctxt_t *ps_frm_ctb_prms, func_selector_t *ps_func_selector) { UWORD8 *pu1_src, *pu1_src_uv, *pu1_buf_y, *pu1_buf_uv; WORD32 stride, stride_uv, wd, ht, wd_uv, ht_uv; WORD32 cpy_ht_y, cpy_ht_uv; WORD32 i4_chroma_vert_pad_default; WORD32 top_extra_pix = 0, left_extra_pix = 0; WORD32 ctb_size = ps_frm_ctb_prms->i4_ctb_size; UWORD8 u1_is_422 = (ps_pad_interp_recon->u1_chroma_array_type == 2); ihevc_pad_top_ft *pf_pad_top = ps_func_selector->ihevc_pad_top_fptr; ihevc_pad_bottom_ft *pf_pad_bottom = ps_func_selector->ihevc_pad_bottom_fptr; ihevc_pad_left_luma_ft *pf_pad_left_luma = ps_func_selector->ihevc_pad_left_luma_fptr; ihevc_pad_left_chroma_ft *pf_pad_left_chroma = ps_func_selector->ihevc_pad_left_chroma_fptr; ihevc_pad_right_luma_ft *pf_pad_right_luma = ps_func_selector->ihevc_pad_right_luma_fptr; ihevc_pad_right_chroma_ft *pf_pad_right_chroma = ps_func_selector->ihevc_pad_right_chroma_fptr; stride = ps_pad_interp_recon->i4_luma_recon_stride; wd = ps_pad_interp_recon->i4_ctb_size; ht = ps_pad_interp_recon->i4_ctb_size; pu1_src = (UWORD8 *)ps_pad_interp_recon->pu1_luma_recon + (vert_ctr * ctb_size * stride) + (ctb_ctr * ctb_size); stride_uv = ps_pad_interp_recon->i4_chrm_recon_stride; wd_uv = ps_pad_interp_recon->i4_ctb_size; ht_uv = ps_pad_interp_recon->i4_ctb_size >> (0 == u1_is_422); pu1_src_uv = (UWORD8 *)ps_pad_interp_recon->pu1_chrm_recon + (vert_ctr * (ctb_size >> (0 == u1_is_422)) * stride_uv) + (ctb_ctr * ctb_size); i4_chroma_vert_pad_default = PAD_VERT >> (0 == u1_is_422); if(ctb_ctr == (ps_frm_ctb_prms->i4_num_ctbs_horz - 1)) { WORD32 last_ctb_x = ps_frm_ctb_prms->i4_cu_aligned_pic_wd - ((ps_frm_ctb_prms->i4_num_ctbs_horz - 1) * ps_pad_interp_recon->i4_ctb_size); wd = last_ctb_x; wd_uv = last_ctb_x; } if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { WORD32 last_ctb_y = ps_frm_ctb_prms->i4_cu_aligned_pic_ht - ((ps_frm_ctb_prms->i4_num_ctbs_vert - 1) * ps_pad_interp_recon->i4_ctb_size); ht = last_ctb_y; ht_uv = last_ctb_y >> (0 == u1_is_422); } pu1_buf_y = pu1_src; pu1_buf_uv = pu1_src_uv; cpy_ht_y = ht; cpy_ht_uv = ht_uv; if(vert_ctr > 0) { top_extra_pix = 8; } if(ctb_ctr > 0) { left_extra_pix = 8; } /*top padding*/ if(vert_ctr == 0) { PAD_BUF_VER( pu1_src - left_extra_pix, stride, wd + left_extra_pix, PAD_HORZ, PAD_VERT, pf_pad_top); PAD_BUF_VER( pu1_src_uv - left_extra_pix, stride_uv, wd_uv + left_extra_pix, PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_top); /*if curr ctb is 1st ctb in ctb row, update dst pointer for Left padding*/ pu1_buf_y = pu1_src - PAD_VERT * stride; pu1_buf_uv = pu1_src_uv - i4_chroma_vert_pad_default * stride_uv; cpy_ht_y += PAD_VERT; cpy_ht_uv += i4_chroma_vert_pad_default; } /*bottom padding*/ if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { PAD_BUF_VER( ((pu1_src - left_extra_pix) + (ht * stride)), stride, wd + left_extra_pix, PAD_HORZ, PAD_VERT, pf_pad_bottom); PAD_BUF_VER( ((pu1_src_uv - left_extra_pix) + (ht_uv * stride_uv)), stride_uv, wd_uv + left_extra_pix, PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_bottom); /*if curr ctb is 1st ctb in ctb row, update dst pointer for right padding*/ cpy_ht_y += PAD_VERT; cpy_ht_uv += i4_chroma_vert_pad_default; } /*Left padding*/ if(ctb_ctr == 0) { PAD_BUF_HOR( (pu1_buf_y - top_extra_pix * stride), stride, cpy_ht_y + top_extra_pix, PAD_HORZ, PAD_VERT, pf_pad_left_luma); PAD_BUF_HOR( pu1_buf_uv - (top_extra_pix >> 1) * (u1_is_422 + 1) * stride_uv, stride_uv, cpy_ht_uv + (top_extra_pix >> 1) * (u1_is_422 + 1), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_left_chroma); } /*right padding*/ if(ctb_ctr == (ps_frm_ctb_prms->i4_num_ctbs_horz - 1)) { PAD_BUF_HOR( ((pu1_buf_y - (top_extra_pix * stride)) + wd), stride, cpy_ht_y + top_extra_pix, PAD_HORZ, PAD_VERT, pf_pad_right_luma); PAD_BUF_HOR( ((pu1_buf_uv - ((top_extra_pix >> 1) * (u1_is_422 + 1) * stride_uv)) + wd_uv), stride_uv, cpy_ht_uv + (top_extra_pix >> 1) * (u1_is_422 + 1), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_right_chroma); } } void ihevce_pad_interp_recon_src_ctb( pad_interp_recon_frm_t *ps_pad_interp_recon, WORD32 ctb_ctr, WORD32 vert_ctr, frm_ctb_ctxt_t *ps_frm_ctb_prms, WORD32 i4_bitrate_instance_id, func_selector_t *ps_func_selector, WORD32 is_chroma_needs_padding) { UWORD8 *pu1_src, *pu1_src_uv; WORD32 stride, stride_uv, wd, ht, wd_uv, ht_uv, pad_x, pad_y; WORD32 tot_wd, tot_ht; WORD32 i4_chroma_vert_pad_default; WORD32 ctb_size = ps_frm_ctb_prms->i4_ctb_size; UWORD8 u1_is_422 = (ps_pad_interp_recon->u1_chroma_array_type == 2); ihevc_pad_top_ft *pf_pad_top = ps_func_selector->ihevc_pad_top_fptr; ihevc_pad_bottom_ft *pf_pad_bottom = ps_func_selector->ihevc_pad_bottom_fptr; ihevc_pad_left_luma_ft *pf_pad_left_luma = ps_func_selector->ihevc_pad_left_luma_fptr; ihevc_pad_left_chroma_ft *pf_pad_left_chroma = ps_func_selector->ihevc_pad_left_chroma_fptr; ihevc_pad_right_luma_ft *pf_pad_right_luma = ps_func_selector->ihevc_pad_right_luma_fptr; ihevc_pad_right_chroma_ft *pf_pad_right_chroma = ps_func_selector->ihevc_pad_right_chroma_fptr; /* Luma padding */ pu1_src = (UWORD8 *)ps_pad_interp_recon->pu1_luma_recon_src + (vert_ctr * ctb_size * ps_pad_interp_recon->i4_luma_recon_stride) + (ctb_ctr * ctb_size); stride = ps_pad_interp_recon->i4_luma_recon_stride; wd = ps_pad_interp_recon->i4_ctb_size; ht = ps_pad_interp_recon->i4_ctb_size; pu1_src_uv = (UWORD8 *)ps_pad_interp_recon->pu1_chrm_recon_src + (vert_ctr * (ctb_size >> (0 == u1_is_422)) * ps_pad_interp_recon->i4_chrm_recon_stride) + (ctb_ctr * ctb_size); stride_uv = ps_pad_interp_recon->i4_chrm_recon_stride; wd_uv = ps_pad_interp_recon->i4_ctb_size; ht_uv = ps_pad_interp_recon->i4_ctb_size >> (0 == u1_is_422); pad_x = ALIGN8(NTAPS_LUMA); pad_y = ALIGN8(NTAPS_LUMA); tot_wd = wd + (pad_x << 1); tot_ht = ht + (pad_y << 1); i4_chroma_vert_pad_default = PAD_VERT >> (0 == u1_is_422); if(ctb_ctr == (ps_frm_ctb_prms->i4_num_ctbs_horz - 1)) { WORD32 last_ctb_x = ps_frm_ctb_prms->i4_cu_aligned_pic_wd - ((ps_frm_ctb_prms->i4_num_ctbs_horz - 1) * ps_pad_interp_recon->i4_ctb_size); wd = last_ctb_x; wd_uv = last_ctb_x; } if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { WORD32 last_ctb_y = ps_frm_ctb_prms->i4_cu_aligned_pic_ht - ((ps_frm_ctb_prms->i4_num_ctbs_vert - 1) * ps_pad_interp_recon->i4_ctb_size); ht = last_ctb_y; ht_uv = last_ctb_y >> (0 == u1_is_422); } if(ctb_ctr == 0) { if(vert_ctr == 0) { PAD_BUF_HOR(pu1_src, stride, ht, PAD_HORZ, PAD_VERT, pf_pad_left_luma); PAD_BUF_VER(pu1_src - PAD_HORZ, stride, PAD_HORZ + wd, PAD_HORZ, PAD_VERT, pf_pad_top); if(is_chroma_needs_padding) { PAD_BUF_HOR( pu1_src_uv, stride_uv, ht_uv, PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_left_chroma); PAD_BUF_VER( pu1_src_uv - PAD_HORZ, stride_uv, PAD_HORZ + wd_uv, PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_top); } } else if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { PAD_BUF_HOR(pu1_src - 8 * stride, stride, ht + 8, PAD_HORZ, PAD_VERT, pf_pad_left_luma); PAD_BUF_VER( (pu1_src - PAD_HORZ + (ht * stride)), stride, PAD_HORZ + wd, PAD_HORZ, PAD_VERT, pf_pad_bottom); if(is_chroma_needs_padding) { PAD_BUF_HOR( pu1_src_uv - 4 * (u1_is_422 + 1) * stride_uv, stride_uv, ht_uv + 4 * (u1_is_422 + 1), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_left_chroma); PAD_BUF_VER( (pu1_src_uv - PAD_HORZ + (ht_uv * stride_uv)), stride_uv, PAD_HORZ + wd_uv, PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_bottom); } } else { PAD_BUF_HOR(pu1_src - 8 * stride, stride, ht + 8, PAD_HORZ, PAD_VERT, pf_pad_left_luma); if(is_chroma_needs_padding) { PAD_BUF_HOR( pu1_src_uv - 4 * (u1_is_422 + 1) * stride_uv, stride_uv, ht_uv + 4 * (u1_is_422 + 1), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_left_chroma); } } } else if(ctb_ctr == (ps_frm_ctb_prms->i4_num_ctbs_horz - 1)) { if(vert_ctr == 0) { PAD_BUF_HOR(pu1_src + wd, stride, ht, PAD_HORZ, PAD_VERT, pf_pad_right_luma); PAD_BUF_VER(pu1_src - 8, stride, PAD_HORZ + (wd + 8), PAD_HORZ, PAD_VERT, pf_pad_top); if(is_chroma_needs_padding) { PAD_BUF_HOR( pu1_src_uv + wd_uv, stride_uv, ht_uv, PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_right_chroma); PAD_BUF_VER( pu1_src_uv - 8, stride_uv, PAD_HORZ + (wd_uv + 8), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_top); } } else if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { PAD_BUF_HOR( (pu1_src - (8 * stride) + wd), stride, ht + 8, PAD_HORZ, PAD_VERT, pf_pad_right_luma); PAD_BUF_VER( (pu1_src - 8 + (ht * stride)), stride, PAD_HORZ + (wd + 8), PAD_HORZ, PAD_VERT, pf_pad_bottom); if(is_chroma_needs_padding) { PAD_BUF_HOR( (pu1_src_uv - (4 * (u1_is_422 + 1) * stride_uv) + wd_uv), stride_uv, ht_uv + 4 * (u1_is_422 + 1), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_right_chroma); PAD_BUF_VER( (pu1_src_uv - 8 + (ht_uv * stride_uv)), stride_uv, PAD_HORZ + (wd_uv + 8), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_bottom); } } else { PAD_BUF_HOR( (pu1_src - (8 * stride) + wd), stride, ht + 8, PAD_HORZ, PAD_VERT, pf_pad_right_luma); if(is_chroma_needs_padding) { PAD_BUF_HOR( (pu1_src_uv - (4 * (u1_is_422 + 1) * stride_uv) + wd_uv), stride_uv, ht_uv + 4 * (u1_is_422 + 1), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_right_chroma); } } } else if(vert_ctr == 0) { PAD_BUF_VER(pu1_src - 8, stride, (wd + 8), PAD_HORZ, PAD_VERT, pf_pad_top); if(is_chroma_needs_padding) { PAD_BUF_VER( pu1_src_uv - 8, stride_uv, (wd_uv + 8), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_top); } } else if(vert_ctr == (ps_frm_ctb_prms->i4_num_ctbs_vert - 1)) { PAD_BUF_VER( (pu1_src - 8 + (ht * stride)), stride, (wd + 8), PAD_HORZ, PAD_VERT, pf_pad_bottom); if(is_chroma_needs_padding) { PAD_BUF_VER( (pu1_src_uv - 8 + (ht_uv * stride_uv)), stride_uv, (wd_uv + 8), PAD_HORZ, i4_chroma_vert_pad_default, pf_pad_bottom); } } }